Chiyu Mahou no Machigatta Tsukaikata

Synopsis:
Ken Usato is an ordinary high school student. On his way home from school, he is swallowed up by a magic circle along with student council president Suzune Inukami and his classmate Kazuki Ryusen. The next thing they know, they find themselves in another world. The three of them were summoned as “heroes” to fight against the Demon Lord’s army that’s invading the kingdom. However, it turns out that only Suzune and Kazuki have what it takes to become heroes. Usato was just summoned by accident! The situation changes drastically when it is discovered that Usato has an aptitude for “healing magic.” Rose, the leader of the Rescue Squad, appears and takes Usato away by force. What awaits Usato is a hellish training regimen beyond anything he could have ever imagined!